<template>
  <div class="app-container">
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <!-- 一级分类 -->
      <el-select v-model="classInfoDto.departmentName" placeholder="一级学院" @change="oneLevelChanged">
        <el-option
          v-for="department in oneLevelList"
          :key="department.departmentCode"
          :label="department.departmentName"
          :value="department.departmentName"
        />
        <!-- key是唯一表标识，label是显示名，value是值 -->
      </el-select>
      <!-- 二级分类 -->
      <el-select v-model="classInfoDto.professionalName" placeholder="二级专业">
        <el-option
          v-for="twoLevel in twoLevelList"
          :key="twoLevel.professionalCode"
          :label="twoLevel.professionalName"
          :value="twoLevel.professionalName"
        />
      </el-select>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
      <el-button type="success" plain @click="saveClear">新增班级</el-button>
    </el-form>





    <el-table :data="list" border fit highlight-current-row style="text-align:center">
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">{{ (page - 1) * limit + scope.$index + 1 }}</template>
      </el-table-column>

      <el-table-column prop="classCode" label="班级" align="center"/>

      <el-table-column prop="classGrade" label="所属年级" align="center"/>

      <el-table-column prop="departmentName" label="所属学院" align="center"/>

      <el-table-column prop="professionalName" label="所属专业" align="center"/>

      <el-table-column prop="tecName" label="管理教师" align="center"/>

      <el-table-column label="操作" width="300" align="center">
        <template slot-scope="scope">
          <!-- <router-link :to="'/student/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>-->
          <el-button
            type="primary"
            size="mini"
            icon="el-icon-edit"
            @click="getClassInfoById(scope.row.id)"
          >修改</el-button>
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="removeDataById(scope.row.id)"
          >删除</el-button>

          <el-button
            type="warning"
            size="mini"
            icon="el-icon-star-off"
            @click="saveOrUpdateTeacher(scope.row.id,scope.row.tecName,scope.row.jobNum,scope.row.professionalName)"
            plain
          >分配教师</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- -------------------------添加或修改学院信息弹框---------------------------------- -->

    <el-dialog title="班级信息" :visible.sync="dialogFormVisible" :append-to-body="true" width="350px">
      <el-form :model="item">
        <el-form-item label="班级代号" :label-width="formLabelWidth">
          <el-input v-model="item.classCode" autocomplete="off" style="width:300px"></el-input>
        </el-form-item>

<el-form-item label="所属年级" :label-width="formLabelWidth">
        <el-input-number v-model="item.classGrade" :min="1900" :max="2100" label="所属年级"></el-input-number>
</el-form-item>

        <el-select
          v-model="item.departmentName"
          placeholder="所属一级学院"
          @change="oneLevelChanged"
        >
          <el-option
            v-for="department in oneLevelList"
            :key="department.departmentCode"
            :label="department.departmentName"
            :value="department.departmentName"
          />
          <!-- key是唯一表标识，label是显示名，value是值 -->
        </el-select>
        <!-- 二级分类 -->
        <el-select v-model="item.professionalName" placeholder="所属二级专业">
          <el-option
            v-for="twoLevel in twoLevelList"
            :key="twoLevel.professionalCode"
            :label="twoLevel.professionalName"
            :value="twoLevel.professionalName"
          />
        </el-select>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveOrUpdateClassInfo">确 定</el-button>
      </div>
    </el-dialog>

    <!-- -------------------------添加或修改学院信息弹框---------------------------------- -->

<!-- -------------------------班级分配教师---------------------------------- -->

<el-dialog title="教师信息" :visible.sync="dialogForm" :append-to-body="true" width="350px">
      <el-form :model="teacher">

        <el-form-item label="教师姓名" :label-width="formLabelWidth">
        <el-select
          v-model="teacher.tecName"
          placeholder="专业教师"
          @change="jobNumChanged(teacher.tecName)"
        >
          <el-option
            v-for="teacher in teachers"
            :key="teacher.id"
            :label="teacher.tecName"
            :value="teacher.tecName"
          />
         
          <!-- key是唯一表标识，label是显示名，value是值 -->
        </el-select>
         </el-form-item>
        <el-form-item label="教师工号" :label-width="formLabelWidth">
          <el-input :disabled="true" v-model="teacher.jobNum" autocomplete="off" style="width:300px"></el-input>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogForm = false">取 消</el-button>
        <el-button type="primary" @click="saveTeacherManage">确 定</el-button>
      </div>
    </el-dialog>

<!-- -------------------------班级分配教师---------------------------------- -->
    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
    <!-- 这里  @current-change="getList" 不用传页数，饿了么内部封装了，只需要调方法即可。这个方法加括号不行，分页换显示不了-->
  </div>
</template>


<script>
import org from "@/api/organization/organization.js"; //.js可以省略
export default {
  //2、写核心代码位置
  //data两种写法：
  // data:{
  // },
  data() {
    //定义数据变量和初始值
    return {
      //这里属性名可以自己起
      list: null, //查询之后接口返回集合
      total: 0,
      page: 1, //当前页
      limit: 5, //每页显示记录数
      classInfoDto: {}, //条件封装对象
      item: {},
      dialogFormVisible: false,
      departmentList: {},
      oneLevelList: {},
      twoLevelList: {},
      teachers:{},
      dialogForm:false, //班级分配教师
      teacher:{}
    };
  },
  created() {
    this.twoLevelList = {}
    this.getList();
    this.getDepartmentAll();
    this.getClassLevel();
  },
  methods: {
    load(){
      this.count += 1;
    },
    //获取所有学院
    getDepartmentAll() {
      org
        .findAllDepartment()
        .then(response => {
          this.departmentList = response.data.departmentList;
        }) //请求成功
        .catch(error => {
          console.log(error);
        }); //请求失败
    },

    getList(page = 1) {
      this.page = page;
      org
        .pageClassInfo(this.page, this.limit, this.classInfoDto)
        .then(response => {
          //response接口返回的数据
          // console.log(response)
          //6、打印返回的测试数据
          this.list = response.data.records; //records是后端接口返回的值
          this.total = response.data.total;
          //   console.log(this.list);
          //   console.log(this.total);
        }) //请求成功
        .catch(error => {
          console.log(error);
        }); //请求失败
    },
    resetData() {
      this.twoLevelList = {}
      //清空的方法
      //表单输入项数据清空
      this.classInfoDto = {};
      //查询度所有的表单数据
      this.getList();
    },

    //获取模糊查询的一二级分类
    getClassLevel() {
      org
        .getClassLevel()
        .then(response => {
          this.oneLevelList = response.data.oneLevelList;
        })
        .catch(error => {
          console.log(error);
        }); //请求失败
    },

    //二级专业跟随一级学院变化
    oneLevelChanged(value) {
      for (var i = 0; i < this.oneLevelList.length; i++) {
        var oneLevel = this.oneLevelList[i];
        if (value === oneLevel.departmentName) {
          this.twoLevelList = oneLevel.children;
          delete this.classInfoDto.professionalName
          delete this.item.professionalName
        }
      }
    },

    //新增班级
    saveClassInfo() {
      org.addClassInfo(this.item).then(response => {
        //添加成功
        //提示信息
        this.$message({
          type: "success",
          message: "添加成功!"
        });
        this.dialogFormVisible = false;
        this.getList();
      });
    },

    //查询单个学院详情
    getClassInfoById(id) {
      org
        .getClassInfoById(id)
        .then(response => {
          this.item = response.data.item;
          this.dialogFormVisible = true;
        }) //请求成功
        .catch(error => {
          console.log(error);
        }); //请求失败
    },
    //新增专业清空表单
    saveClear() {
      this.item = {};
      this.dialogFormVisible = true;
      this.classInfoDto = {};
      this.twoLevelList = {}
    },
    //新增或修改学院信息
    saveOrUpdateClassInfo() {
      if (!this.item.id) {
        this.saveClassInfo();
      } else {
        this.editClassInfo();
      }
    },

    //修改学院信息
    editClassInfo() {
      org
        .updateClassInfo(this.item)
        .then(response => {
          this.dialogFormVisible = false;
          this.getList();
          this.$message({
              type: "success",
              message: "修改成功!"
            });
        }) //请求成功
        .catch(error => {
          console.log(error);
        });
    },
    //删除用户
    removeDataById(id) {
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        org
          .delClassInfo(id)
          .then(response => {
            this.$message({
              type: "success",
              message: "删除成功!"
            });
            this.getList();
          }) //请求成功
          .catch(error => {
            console.log(error);
          });
      });
    },

    saveOrUpdateTeacher(id,tecName,jobNum,professionalName) {
      this.teacher.id = id
      console.log(id)
      if (!tecName) {

        this.dialogForm = true;
        this.selectTeacher(professionalName);
      } else {
        this.dialogForm = true;
        
        this.selectTeacher(professionalName);
        this.teacher.tecName = tecName
        this.teacher.jobNum = jobNum
      }
    },
    //根据专业名获取所属所有讲师
    selectTeacher(professionalName){
      
        org.getTeacherByProfessionalName(professionalName)
          .then(response => {
            this.teachers = response.data.teachers     
        }) //请求成功
        .catch(error => {
          console.log(error);
        });
    },
    //选择教师工号显示
    jobNumChanged(tecName){
      this.$forceUpdate()
      console.log(this.teacher.id)
      console.log(tecName)
      this.teacher.tecName = tecName 
        for(var i =0;i<this.teachers.length;i++){
          var teacher = this.teachers[i]
          if(teacher.tecName === tecName){
            this.teacher.jobNum = teacher.jobNum;
          }
        }
    },
    //添加或修改管理教师
    saveTeacherManage(){
      console.log(this.teacher.id)
      org.addTeacherManage(this.teacher)
        .then(response => {
          this.teacher = {}
          this.dialogForm = false;
            this.$message({
              type: "success",
              message: "修改成功!"
            });
            
            this.getList();
          }) //请求成功
          .catch(error => {
            console.log(error);
          });
    }
  }
};
</script>